Mel and Macca have nine kids and all the space in their home is in the wrong place. Neale has to redesign the house to make it open plan; Andrew has to pry Macca from what he already thinks is his perfect home.

Anita and Cameron have a five-bed home. The layout stops them from spending family time together with their three kids. Neale must reunite this floor plan to persuade Anita to stay, while Andrew has to find a better home nearby.